Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English lǣran

English learn (inherited)
English learned (mention)
English leer (derived)
Old English leornian (link)
Old English gelæran (prefix)
Old English læring (suffix)
Old English forlæran (prefix)
Old English gelæred (prefix)
Middle English leren (inherited)
Old High German leren (cognate)
Old Saxon lerian (cognate)